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Single Family ResidenceResidential
$444,194$407 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $40,000 on Mar 1, 1993

100 HOLLISTON AVE

PORTSMOUTH, RI 02871
3
Beds
2
Baths
1,092 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$444K
$390K low$499K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$40,000 · Mar 1, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,389 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$330,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,400

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.48%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyNEWPORT
Lot (acres)The size of the land the home sits on, from county records.0.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Greenhouse

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hathaway Elementary SchoolA+
Elementary · Grades KG–4 · 2.1 mi
H
Portsmouth High SchoolA
High · Grades 9–12 · 2.4 mi
M
Portsmouth Middle SchoolA
Middle · Grades 5–8 · 6.8 mi

District: Portsmouth School District

Neighborhood · ZIP 02871These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.16,919
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.620 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,631
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,136
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

100 Holliston Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 90% of homes in Portsmouth 02871
  • Costs less per square foot than 71% of homes in Newport County
  • Smaller than 81% of homes in Newport County
  • Has a smaller lot than 80% of homes in Portsmouth 02871
  • Older than 74% of homes in Portsmouth 02871

What homes are worth in Portsmouth 02871

Each bar is how many homes fall in that price range. The marker is this home.

This home
$286K$2.5M

This home is worth more than 10% of homes in Portsmouth 02871.

How it measures up in Portsmouth 02871

The dot is this home. The mark in the middle is the typical home in Portsmouth 02871.

Estimated value$444,194
CheaperTypical $710,666Pricier

Pricier than 10% of homes nearby

Price per ft²$407
CheaperTypical $438Pricier

Pricier than 37% of homes nearby

Living area1,092 ft²
SmallerTypical 1,617 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.18 ac
SmallerTypical 0.41 acBigger

Bigger than 20% of homes nearby

Year built1958
OlderTypical 1976Newer

Newer than 26% of homes nearby

How 100 Holliston Ave ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$444,19410% of homes11% of homes
Price per ft²pricier than$40737% of homes29% of homes
Living areabigger than1,092 ft²21% of homes19% of homes
Lot sizebigger than0.18 ac20% of homes29% of homes
Year builtnewer than195826% of homes42% of homes

About 100 Holliston Ave

How much is 100 Holliston Ave, Portsmouth, RI worth?

The TopHap Estimate for 100 Holliston Ave, Portsmouth, RI is $444,194 as of Aug 30, 2026. The likely range is $389,659 to $498,729. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Holliston Ave, Portsmouth, RI last sell?

100 Holliston Ave, Portsmouth, RI last sold on Mar 1, 1993 for $40,000, according to the county's recorded deed.

How big is 100 Holliston Ave, Portsmouth, RI?

100 Holliston Ave, Portsmouth, RI has 3 bedrooms, 2 bathrooms, 1,092 square feet of living space and a 0.18-acre lot.

When was 100 Holliston Ave, Portsmouth, RI built?

100 Holliston Ave, Portsmouth, RI was built in 1958, making it 68 years old. It is a bungalow home. The building has 1 story.

What schools serve 100 Holliston Ave, Portsmouth, RI?

100 Holliston Ave, Portsmouth, RI is assigned to Hathaway Elementary School (elementary), rated A+; Portsmouth High School (high), rated A; Portsmouth Middle School (middle), rated A. All sit in Portsmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Holliston Ave, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,733 homes in Portsmouth 02871, it is worth more than 10% of them ($444,194 against a typical $710,666), its price per square foot is higher than 37% of them ($407 against a typical $438), it is bigger than 21% of them (1,092 ft² against a typical 1,617 ft²), its lot is bigger than 20% of them (0.18 ac against a typical 0.41 ac) and it is newer than 26% of them (1958 against a typical 1976). Measured against all of Newport County, it is worth more than 11% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 100 Holliston Ave, Portsmouth, RI?

The 2025 property tax bill for 100 Holliston Ave, Portsmouth, RI was $4,389. The county assessed it at $330,500.

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